Extract.quad

From spatstat v1.61-0 by Adrian Baddeley

Subset of Quadrature Scheme

Extract a subset of a quadrature scheme.

Keywords: manip, spatial

Usage

# S3 method for quad
[(x, ...)

Arguments

x: A quadrature scheme (object of class "quad").
…: Arguments passed to [.ppp to determine the subset.

Details

This function extracts a designated subset of a quadrature scheme.

The function [.quad is a method for [ for the class "quad". It extracts a designated subset of a quadrature scheme.

The subset to be extracted is determined by the arguments … which are interpreted by [.ppp. Thus it is possible to take the subset consisting of all quadrature points that lie inside a given region, or a subset of quadrature points identified by numeric indices.

Value

A quadrature scheme (object of class "quad").

Examples

# NOT RUN {
 Q <- quadscheme(nztrees)
 W <- owin(c(0,148),c(0,95)) # a subwindow
 Q[W]
# }

Documentation reproduced from package spatstat, version 1.61-0, License: GPL (>= 2)

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